Round|Natural|GIA

1.20ct I VS1 Round Natural Diamond

VG • I/VS1 • GIA 1559616875

Certificate GIA 1559616875

Diamond specifications and retailer prices

From $2,774 USD
As of November 4, 2026
Save $3,251 USD (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,025 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GIA 1559616875. Listed at 23 retailers as of November 4, 2026, with prices from $2,774 to $6,025, a $3,251 spread on the same certified stone. MOH London lists it at $6,025. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
I
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1559616875
Dimensions6.59 × 4.27 × 4.27 mm
L/W Ratio1.54
Culet sizeNone
Top View
6.59 mm4.27 mm1.20 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1559616875
Side View
Table 57.0%Crown 37.5°Girdle: ThickPavilion 40.8°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,025 USD|Low: $2,652 USD|High: $6,049 USD|Avg: $3,609 USD|-0.4%
MOH London
Retailer 2
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Retailer 24
November 6, 2026
Retailer 14$2,652 USD
Retailer 5$2,774 USD
Retailer 21$2,820 USD
Retailer 23$2,845 USD
Retailer 4$2,847 USD
Retailer 7$2,906 USD
Retailer 10$3,020 USD
Retailer 15$3,154 USD
Retailer 9$3,170 USD
Retailer 22$3,288 USD
Retailer 2$3,361 USD
Retailer 12$3,408 USD
Retailer 11$3,546 USD
Retailer 16$3,709 USD
Retailer 8$3,710 USD
Retailer 24$3,710 USD
Retailer 13$3,715 USD
Retailer 6$3,840 USD
Retailer 20$4,101 USD
Retailer 18$4,184 USD
Retailer 19$4,409 USD
Retailer 17$4,418 USD
Retailer 3$5,216 USD
MOH London$6,025 USD

27 data points across 24 retailers

23 retailers$2,774 USD to $6,025 USD

A
Cheapest Retailer
-
$2,774 USD
A
Retailer 2
-
$2,795 USD
View
A
Retailer 3
-
$2,820 USD
View
A
Retailer 4
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$2,845 USD
View
A
Retailer 5
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$2,847 USD
View
A
Retailer 6
-
$2,906 USD
View
A
Retailer 7
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$3,011 USD
View
A
Retailer 8
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$3,020 USD
View
Final sale: no returns
A
Retailer 9
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$3,170 USD
View
A
Retailer 10
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$3,288 USD
View
A
Retailer 11
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$3,361 USD
View
A
Retailer 12
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$3,391 USD
View
Retailer 13
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$3,408 USD
View
Price last confirmed 22 days ago
B+
Retailer 14
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$3,546 USD
View
B+
Retailer 15
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$3,710 USD
View
B+
Retailer 16
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$3,710 USD
View
B+
Retailer 17
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$3,715 USD
View
B+
Retailer 18
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$3,840 USD
View
B+
Retailer 19
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$4,101 USD
View
B+
Retailer 20
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$4,184 USD
View
B+
Retailer 21
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$4,409 USD
View
B
Retailer 22
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$5,216 USD
View
Most Expensive
B
MOH London
033034AE7 · Nov 4
$6,025 USD
£4,744 GBP
View
22 more retailers have this diamond
Prices start from $2,774 USDSave up to $3,251 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.20ct Round
$2,774 USD